How To Check Tls Version In Windows Server
Larn how to enable TLS ane.2 on Windows Server and disable the older TLS protocol versions. You want secure communications going through your Windows Server, and to do that, you lot have to enable TLS one.two and disable the older TLS versions. If you have SSL protocols agile, you should disable these besides. In this article, we will enable TLS 1.2 on Windows Server 2016.
Table of contents
- What is Transport Layer Security?
- How do you know if TLS one.2 is enabled on Windows Server?
- How to enable TLS ane.2 on Windows Server?
- Verify if TLS 1.2 is enabled on Window Server
- Conclusion
What is Transport Layer Security?
Transport Layer Security (TLS), and its now-deprecated predecessor, Secure Sockets Layer (SSL), are cryptographic protocols designed to provide communications security over a computer network. Several versions of the protocols find widespread utilise in applications such equally spider web browsing, email, instant messaging, and voice over IP (VoIP). Websites can utilise TLS to secure all communications between their servers and web browsers.
At the moment of writing, only TLS 1.iii and TLS 1.ii are approved. The protocol TLS i.3 is not available to enable in Windows Server. It ways that it will show as disabled if you are going to generate a written report. To have the Windows Server's best security, actuate but TLS ane.two and disable all other protocols.
To make it easier to read, have a look at the table. We recommend the post-obit protocols to be enabled/disabled:
| Protocol | Condition | Enable | Disable |
|---|---|---|---|
| TLS 1.three | Not available | – | – |
| TLS one.2 | Active | ✓ | ☓ |
| TLS 1.ane | Deprecated | ☓ | ✓ |
| TLS 1.0 | Deprecated | ☓ | ✓ |
| SSL iii | Deprecated | ☓ | ✓ |
| SSL ii | Deprecated | ☓ | ✓ |
How do you know if TLS i.ii is enabled on Windows Server?
Go to the website Qualys SSL Labs and make full in the domain that you want to cheque. For instance, the external URL of your Windows Server. In our example, the Substitution Server domain is added. Wait a couple of minutes for the study.
Scroll down to Configuration. Yous tin can see which TLS and SSL versions are enabled/disabled. The protocol TLS 1.2 is already enabled, that's great. The protocols TLS 1.1 and TLS i.0 are enabled equally well; that'due south non good. What y'all should run across is that just TLS ane.2 is enabled.
How to enable TLS i.ii on Windows Server?
Download IIS Crypto GUI from Nartac Software. It's a portable version, and you don't have to run the setup.
Get-go the awarding, and in the main window (Schannel), you lot can run into which options are checked/unchecked.
Click on Templates. Here yous tin discover the built-in templates. Click on the templates and read the description.
We recommend you to load the template PCI iii.2. Cheque the checkbox Reboot, and click theApply button. Note that the Windows Server will reboot immediately!
Verify if TLS 1.2 is enabled on Window Server
Go to Qualys SSL Labs and fill in the domain to go the report. This fourth dimension information technology's showing us an overall rating A.
Scroll down to Configuration and check the Protocols. Only the protocol TLS i.2 is enabled.
Start IIS Crypto, and y'all tin meet that but TLS 1.2 checkbox is selected in Server Protocols and Client protocols.
Everything is looking great! Did the article enable TLS ane.2 on Windows Server help you?
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Decision
In this commodity, you learned how to Enable TLS one.2 on Windows Server 2016. You besides learned how to disable the deprecated protocols. Check the domain in SSL Labs and have a look at the SSL report. If only TLS ane.2 is enabled, everything is OK. If it's non, follow the steps shown in the article to enable simply TLS ane.2. Don't forget to rerun the SSL report at SSL Labs and verify if everything is looking smashing!
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